BBC1 and Radio 1 have been singled out as falling short of standards set out by the BBC Trust.

The trust, chaired by Lord Patten, said it was "still keen to see BBC1 make further progress in offering distinctive programming in peak-time", that it would review the channel's performance later this year.

A review of BBC1 completed in 2010 said it should "actively seek to increase the level of range, variety and surprise in pre-watershed peak-time, and show greater creative ambition at 9pm".

While BBC1 had met most of the goals set out in the review, the trust said it "continues to treat distinctiveness of BBC1 peaktime programming as a strategic objective".

The trust said Radio 1's audience was still too old despite a 2009 review calling on the station to refocus on younger listeners.

"Our aim that Radio 1 focuses more clearly on a young target audience so that its median age is within the target age group is still outstanding, although work is under way to address this issue," said the trust.

"The median age has remained constant since our review completed in 2009 although, due to a change in Rajar methodology, it stands at 30, rather than 29, so just outside the target age group of 15 to 29-year-olds."

The comments were made in a progress report on the BBC's TV, radio and online offerings, all of which have been reviewed by the trust in the past five years.

The trust said the "majority of action points" from its service reviews had been fulfilled. It added that some areas in need of improvement required assessment over the long term and were "unlikely to change quickly".

These areas include the number of young people consuming BBC News, TV and radio performance among minority ethnic audiences and reach of BBC services in different regions and nations across the UK.

It said the limitations of radio audience data, published on a quarterly basis by Rajar, made measuring the progress of Radio 3 and Radio 4 a slow process. The former station was told to be more "accessible and welcoming", while the latter was charged with boosting audiences among younger demographics.

The progress of BBC Radio 5 Live will be monitored later this year, with the most recent reports on BBC local radio and BBC Asian Network to be followed up next year.

The trust conducts an in-depth review of each service every five years, after which it agrees a series of recommendations with BBC management.

It has now launched an eight-week public consultation on the service licences that govern their remit, scope and budget and against which the reviews are judged.